<!DOCTYPE html>
<html>
<head>
    <!-- 这是一个注释 -->
    <title>   My   Awesome   Page   </title>
    <script type="text/javascript">   alert(   "Hello"   );   </script>
    <style type="text/css">   body {   margin: 0;   }   </style>
</head>
<body>
    <input type="text" disabled="disabled" />
    <br />
    <p>   Welcome to   my   site!   </p>
    <option selected="selected">Option</option>
</body>
</html>